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Hitachi SuperH™ series Alpha Board
AP-SH3-1A  ¥ 32,000 (Tax not included.)


AP-SH3-1A is board computer with Hitachi SH-3 Processor SH7709A.
Wide range of usage purpose such as various prototype manufacture or application to the small lot product is possible, because all necessary signals for external expansion are extracted to the connector for external connection.

Click to enlarge.
PC-USB-01 correspondencePC-RS-03 correspondence

Sample programs such as start-up and timer interruption, etc. are included in this package.


Features
Operation frequency 128 MHz (16 MHz quarts crystal units.)
Bus width 32 bit
Large capacity cache memory 16 Kbyte installed.
High-speed large capacity memory SDRAM 16 Mbyte installed.
SRAM back-up is possible.
5 V EPROM and ROM debugger are applicable.
All necessary signals are connected to the external expansion connector. (Already pulled up.)
Since the RS232 adapter (PC-RS-03) is connected to the outside, RS232 communication is easy to enable.
H-UDI connector equipped.
Compact 4-layer substrate
Dedicated downloader included

Specification
CPU SH7709AF133 (208P QFP)
Clock 128 MHz (16 MHz quarts crystal units are used.)
Operation performance 173 MIPS
Memory Flash ROM 1Mbyte (16 bit width)
SDRAM 16Mbyte (32 bit width)
EPROM (Not packaged) 128K~1Mbyte(8 bit width)
SRAM 128 Kbyte (8 bit width)
Cache 16 Kbyte
External memory chip select Chip select terminal: 6, PCMCIA interface incorporated
CS0: Flash ROM, CS3: SRAM, CS4: SDRAM
CS5:EPROM used
Each memory is maskable.
CS0 and CS5 are interchangeable. (For debugging.)
Memory back up For switching back-up.
SRAM back up can be achieved by connecting the back-up battery, etc. to the outside.
I/O Serial interface 3 CH
Parallel interface I/O 8 bit x 12 (Multiple use purpose terminal included.)
Timer/Counter 32 bit timer 3 channels
Interruption Interruption controller incorporated
External 6 (Level interruption 16) NMI 1, other internal surrounding interruption
DMA DMA controller incorporated 4 channels
DRAM SDRAM, DRAM controller incorporated
RTC Internal clock, calendar function, 32.768 kHz crystal connected.
Reset Reset switch incorporated. External reset is possible. (Open collector)
Operation mode Can be switched by DIP-SW.
External connection 60 PIN connector x 2 (2.54 pitch)
50 PIN connector x 1 (2.54 pitch)
Connector for adapter for RS232
Power source connector
Power source voltage 5 V ± 10% (Internal I/O: 3.3 V CPU core: 1.9 V)
Electrical consumption MAX 500 mA
Substrate size 120 x 90 (mm) 4 layer substrate
Accessories Operation manual, circuit drawing, power cable, sample program and downloader

Material
Block diagram


Note : PC-RS-03 or PC-USB-01 is necessary for flash writing. The connector between ROM and substrate is not included. No clean flux is used to manufacture electronic substrates.